background image

SERVICE MANUAL

 

                                                                                                                 

(continued)

 

11

 

 

OSDF 

OSD PLL DATE 

7F

TB_COL 

Menu top OSD area plane color set 

9B 

BB_COL 

Menu itmes OSD area plane color set 

BD 

DVD_H

 

OPT

 

CL_COL2 

02 

PYNX 

Normal H.SYNC max 

33 

PYNN 

Normal H.SYNC min 

11 

PYXS 

Search H.SYNC max 

22 

PAGE11 

PYNS 

Search H.SYNC min 

1E 

RCUTS 

R cut offset in DVD 

OPT

GCUTS 

G cut offset in DVD 

OPT

BCUTS 

B cut offset in DVD 

OPT

GDRVS  

OPT

 

BDRVS  

OPT

 

AUSTP   04 

PAGE12 

BBCT   04 

STBG S 

TRAP 

B/G  06 

STI S 

TRAP 

I 08 

STDK S 

TRAP 

D/K  08 

STM S 

TRAP 

M 0

3

 

SSBG 

S TRAP HP/LP B/G 

08 

SSI 

S TRAP HP/LP I 

08 

SSDK 

S TRAP HP/LP D/K 

08 

PAGE13 

SSM 

S TRAP HP/LP M 

09 

SYNC   0

3

 

SYBBN BB 

judgement  00 

SYBBF BB 

judgement  00 

SYSR 

Set WIN Pulse and HLOCK Pulse 

18

 

VCD0   00 
VCD1   0

2

 

BL25 Balance 

25  1E 

PAGE14 

BL49 Balance 

49  50 

MODE0  

29 

MODE1  

08

 

OV50  

0

E

 

OV60  

0

2

 

HOTEL  

00 

FM RADIO 

 

0

0

 

CCD  POS

 

 

2F

PAGE15 

SCR SAV 

 

0

0

ENGLISH  01 
FRENCH  01 

PORTUGUESE

  

01 

SPANISH

  0

1

 

INDONESIAN  

0

0

 

MALAY  

0

0

 

KOREA  

0

0

 

PAGE16 

ARABIC  

00 

INITIAL  

00 

LOCK MENU 

 

01 

C

CDOSDF

  

6F

 

INFOMENU   01 
DEMOKEY   01 
SVIDEO  

01 

DVDVIDEO   01 

PAGE17 

LOGO  

00 

Summary of Contents for SF21GA63

Page 1: ...COLOR TELEVISION SERVICE MANUAL MODEL NO CHASSIS NO ETA 1U Please read this manual carefully before service SF21GA63...

Page 2: ...CT SAFETY NOTICE 2 SAFETY SYMBOL DESCRIPTION 3 MAINTENANCE 3 ADJUSTMENTS 4 SET UP ADJUSTMENTS 4 CIRCUIT ADJUSTMENTS 7 STRUCTURE AND CHASSIS FUNCTION DESCRIPTION 13 STRUCTURE BLOCK DIAGRAM 13 CHASSIS D...

Page 3: ...ICE below 4 Service and adjustment of the TV may result in changes in the nominal EHT voltage of the CRT anode So ensure that the maximum EHT voltage does not exceed the rated value after service and...

Page 4: ...se characteristics are often passed unnoticed by a visual inspection and the X ray radiation protection afforded by them cannot necessarily be obtained by using replacements rated at higher voltages o...

Page 5: ...ts identified by the VDE marking have special safety related characteristics MAINTENANCE 1 Place the TV set on a stable stand or base that is of adequate size and strength to prevent it from being acc...

Page 6: ...t 1 3 Operate the TV for at least 15 minutes 1 4 Degauss the TV set using a specific degaussing coil 1 5 Set the brightness and contrast to maximum 1 6 Counter clockwise rotate the R B low brightness...

Page 7: ...Adjust two tabs of the 6 pole magnet to superimpose red blue line and green line 2 1 6 Remember red and blue movement Repeat steps 2 1 3 2 1 5 until optimal convergence is obtained 2 2 Circumference...

Page 8: ...en the lamp screw holding the deflection yoke assembly Fig 2 4 pole Magnet Movement 6 pole Magnet Movement Center Convergence by Convergence Magnets Incline the Yoke Up or Down Incline the Yoke Right...

Page 9: ...the TV 1 5 Repeat the above steps until the TV is degaussed completely 2 Confirmation and Adjustment for Voltage Caution B voltage has close relation to high voltage To prevent X ray radiation set B v...

Page 10: ...ng the back cover look for the FBT on the main PCB There should be a FCB on the FBT 4 2 Power on the TV and preheat it for 15 min 4 3 Receive a normal TV signal Rotate knob of the FCB until you get a...

Page 11: ...us data GDET0103 05 Table 3 Function Description for Bus Data Symbol Description Data OSD OSD Horizontal Position 4D OPT Optional Setting B3 RCUT R CUT OFF OPT GCUT G CUT OFF OPT BCUT B CUT OFF OPT GD...

Page 12: ...TS Hight 60Hz difference from HIT OPT VLIN V Linearity 50Hz OPT PAGE6 VLIS V Linearity 60Hz difference from VLIN OPT VSC VS Correction 50Hz OPT VSS VS Correction 60Hz OPT HBOW OPT HPARA OPT UBLACK 0B...

Page 13: ...T 04 STBG S TRAP B G 06 STI S TRAP I 08 STDK S TRAP D K 08 STM S TRAP M 03 SSBG S TRAP HP LP B G 08 SSI S TRAP HP LP I 08 SSDK S TRAP HP LP D K 08 PAGE13 SSM S TRAP HP LP M 09 SYNC 03 SYBBN BB judgeme...

Page 14: ...n 1 Second turn on 1 Bit1 0 NO signal 50Hz 1 NO signal 60Hz 1 Bit2 1 Bit3 Search speed 0 Bit4 0 KEY Turn on 1 POWER Turn on Bit5 FM_band 0 Normal 1Wide 0 Bit6 COLOR 0 NTSC PAL N PAL N 1 NTSC 0 Bit7 0...

Page 15: ...UCTURE AND CHISSIS FUNCTION DESCRIPTION 1 STRUCTUE BLOCK DIAGRAM 13 Audio Amplifier TMP8873 Video Amplifier H OUT V OUT Power Supply Circuit TUNER AVIN AVIN AVOUT IR KEY Structure Block Diagram for ET...

Page 16: ...nd bus control EEPROM AT24C16 for data memory LA78040 for vertical output power amplifying TFA9842AJ for audio power amplifying Thick film IC STR G5653 for power circuit adjustment and control The fol...

Page 17: ...P package The MCU contains 8 bit CPU ROM RAM I O ports timer counters A D converters an on screen display controller remote control interfaces IIC bus interfaces and the Closed Caption decoder The TV...

Page 18: ...g Italic underline function Two 8 bit internal timer counter 2 ch Conform to CCD REGULATION Time base timer watchdog timer Jitter elimination 16 interrupt sources external 5 internal 11 IIC bus interf...

Page 19: ...SERVICE MANUAL 3 Block Diagram 17...

Page 20: ...ble through the IIC bus of the internal connections 2 Power Supply TMPA8873 has some power supplies and GND pins Power supplies related MCU must be applied at the first Power supplies for H VCC and TV...

Page 21: ...SERVICE MANUAL 5 TERMINAL INTERFACE 19...

Page 22: ...SERVICE MANUAL 20...

Page 23: ...SERVICE MANUAL 21...

Page 24: ...SERVICE MANUAL 22...

Reviews: